Western Port - North Arm Entrance Weather Forecast

    • 14
    • 25

    Shower or two. Windy

    • 10
    • 14

    Shower or two

    • 6
    • 15

    Mostly sunny

    • 7
    • 16

    Sunny

    • 11
    • 21

    Partly cloudy

    • 14
    • 22

    Partly cloudy

    • 12
    • 17

    Possible shower

Today 20 Sep Central

Mostly sunny. Medium chance of showers in the southeast, slight chance elsewhere. Damaging winds possible near the Otways, easing later in the day. Winds northerly 25 to 40 km/h increasing to 35 to 55 km/h in the morning then turning westerly 25 to 35 km/h in the late afternoon. Daytime maximum temperatures in the low to high 20s.

Western Port Local Waters

Wind
Northerly 15 to 25 knots, reaching up to 30 knots in the late morning and early afternoon. Winds turning westerly 15 to 20 knots in the evening.
Seas
Below 1 metre, increasing to 1 to 1.5 metres during the morning.
Weather
Mostly sunny. 60% chance of showers.
Weather Situation
A high pressure system over NSW is directing a northwesterly airstream across Victoria as a cold front crosses waters south of the Bight. The front is forecast to enter western Victoria this afternoon, reaching central districts during the evening before crossing eastern Victoria tonight. A cold southwesterly airstream will follow on Monday as a high pressure system south of the Bight moves rapidly east, reaching western Bass Strait by Monday night. The high will be located over the Tasman Sea by Tuesday night and continue moving east into Wednesday as warm northeasterly winds develop over Victoria.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Western Port - North Arm Entrance Temperature Statistics View More

September Temperature

Rhyll (7km)

  • Lowest 18 September, 2026

    7.2 °C

  • Average September

    13.4 °C

  • Highest 13 September, 2026

    22.5 °C

Climate (2021–2026)

Rhyll (7km)

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  • Average Low 2021–2026

    12.2 °C

  • Average 2021–2026

    15.2 °C

  • Average High 2021–2026

    19.4 °C
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